No official trailer was listed for this title in our database yet.
You can still read the synopsis, community reviews, and official rent or buy options below.
Trailer from TMDb metadata; playback via YouTube. If the player shows a restriction, use "Watch on YouTube" above.
No written reviews for this title yet in our TMDb feed. Check the reviews section below, or add yours on themoviedb.org.
Your rating
Where to stream
No streaming or store links were found for this title (region coverage varies).
The Master Key
“13 Chapters of Terrific Thrills!”
80%
Movie
3h 46m
AI Analysis
The Master Key (1945) — AI movie analysis
WatchMind AI generated this AI analysis of The Master Key (1945) — a movie tagged as Action, War, and Crime with epic moods and steady pacing.
Story & themes: Before the outbreak of WWII, Nazi sympathizers plot to undermine America. Our models also surface themes such as identity, conflict, and relationships from synopsis and genre signals.
Watch context: Best suited for general audiences. Expect steady storytelling (~226 min).
Community signal: TMDb members rate The Master Key 80% (1 votes) — strong audience scores for this movie.
AI verdict
The Master Key is a film worth prioritising when you want something with strong audience scores — our AI analysis flags it as a strong match for its genre and tone profile.
Algorithmic AI analysis from genres, synopsis, pacing heuristics, and TMDb community scores — not a generative chatbot. How WatchMind works.
Insights
Audience & engagement
How WatchMind visitors interact with this title — views, saves, sentiment, and taste match when you're signed in, or a device preview while browsing. Aggregates are anonymous; last 30 days.
Early data — charts fill in as more people explore this title.
TMDb audience score
80%
from 1 TMDb votes
Your taste match
Browse a few titles or complete the vibe check — we'll show your match % here.
- Your rating—
- Watch queueNot saved
WatchMind sentiment
No thumbs or dismissals yet. Rate this title to help others see likeness trends.
- Dismissals
- 0
Engagement breakdown
0 unique visitors · no audience notes yet
Views trend (14 days)
Daily title page views on WatchMind
Synopsis
Before the outbreak of WWII, Nazi sympathizers plot to undermine America.
Quick facts
- Type
- Movie
- Status
- Released
- Release date
- 1945-04-24
- Runtime
- 3h 46m
- TMDB rating
- 8.0
- TMDB ID
- 255728
Watch & discovery tips
- Read TMDb member reviews in the reviews section, and audience tips from other WatchMind visitors in Audience notes.
- Use Rent, buy & download for official stores; offline viewing is usually inside their apps.
- Browse trending and top-rated movies from the main Movies page.
- Add titles to your watch queue from this page — order matters; the top pick can surface on your home page when you're logged into the same browser session.
Frequently asked questions
Where can I watch The Master Key (1945)?
The Master Key is available for discovery on WatchMind. You can find official links to rent, buy, or stream from licensed digital stores like Apple TV and Amazon in our "Where to Watch" section.
Is there an official trailer for The Master Key?
Yes, you can watch the official trailer for The Master Key directly on this page. We pull the latest video metadata from TMDb and play it via YouTube integration.
What is The Master Key about?
Before the outbreak of WWII, Nazi sympathizers plot to undermine America.
Is there an AI analysis for The Master Key?
Yes. WatchMind publishes an AI analysis on this page — tone, pacing, audience fit, and community scores from TMDb metadata and recommendation models (not a chatbot). Scroll to the AI Analysis section or read the meta description summary.
How long is the movie The Master Key?
The official runtime for The Master Key is approximately 226 minutes.
Cast & crew
Names and photos from The Movie Database (TMDb). Follow links on themoviedb.org for full filmographies.
Directors & writers
Cast
Milburn Stone
Agent Tom Brant
- J
Jan Wiley
Janet Lowe
Dennis Moore
Jack Ryan
Addison Richards
Gerhard Doenitz / Garret Donahue
Byron Foulger
Prof. Elwood Henderson
Maris Wrixon
Dorothy Newton
Sarah Padden
Aggie
George Lynn
Herman
Russell Hicks
Police Chief Michael J. O'Brien
Roland Varno
Arnold Hoffman
Lash LaRue
Migsy
- J
Jerry Shane
Dan
Neyle Morrow
Spike
John Eldredge
Walter Stark
Audience notes
Quick tips, watch-order ideas, and “worth it?” takes from other WatchMind visitors — not from TMDb. Reply to continue a thread, tap Helpful to surface useful notes, and keep things kind — no spoilers in the first line when you can help it.
Discussion0 notes
No notes yet — be the first to leave a suggestion for the next viewer.
Community reviews
Written by TMDb members — same catalogue as our movie & TV metadata. API terms
No written reviews are available for this title in TMDb yet. Check back later or open the title on themoviedb.org.
More to explore
Hand-picked from TMDb similar and recommended lists for The Master Key. Each link opens a full WatchMind page with synopsis, trailer, community reviews, and official store links—so you can compare tone and audience overlap before you pick what to watch next.
The Artificial Man
Drama · Horror
The Black Widow
Action · Science Fiction
The Devil Horse
Western
Haunted Harbor
Action · Adventure
Dick Tracy Returns
Action · Crime
Red Barry
Action · Adventure
Batman
Action · Adventure
Waiting for Anya
Drama · War
400 Bullets
Action · Mystery
Henchmen
Adventure · Animation
The Quiller Memorandum
Crime · Drama
Wrong Cops
Comedy · Crime